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Table 4 OPSAT-Q™ Internal Consistency Reliability at Baseline (Cronbach's Alpha) and Reproducibility (N = 103)

From: Psychometric evaluation of the Osteoporosis Patient Treatment Satisfaction Questionnaire (OPSAT-Q™), a novel measure to assess satisfaction with bisphosphonate treatment in postmenopausal women

Scale Number of Items Cronbach's alpha ICCa
Convenience 6 0.89 0.72
Daily Activities 2 0.84 0.62
Overall Satisfaction 2 0.87 0.64
Side Effects 6 0.72 0.79
Composite Satisfaction Score 16 0.87 0.81
  1. aIntra-class correlations between baseline and follow-up visit among stable patients.